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Very detailed crossfire review with the big guys @ DC

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Old Oct 2, 2007 | 10:53 PM
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ApocMan's Avatar
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Default Very detailed crossfire review with the big guys @ DC

OK, I just realized there is no News & Reviews section pertaining to all Crossfires. I wish one could be created and i would post like a mad man in it.

Now, this a very detailed interview with the DC guys back when they were in their honeymoon phrase of the DC merger and they were proud parents of their beautiful new baby the Crossfire. So they were shouting to the world in-depth about their new bundle of joy.

P.S. you will have to scroll to pg. 3 before the article begins because I suck with Adobe. In Addition, I have never attached a file before and can only hope it actually attachés and works in the manner intended. I.e. won't be corrupted and can be viewed. It was scanned with for virus and I run a complete tune-up nightly on my laptop via Microsoft One-care (which I love)!
 
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Old Oct 2, 2007 | 11:25 PM
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ApocMan's Avatar
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Default Additonal data highlights for the speedreader from articles I have

"Chrysler Crossfire Coupe, measured dynamically, has a body structure that is twice as stiff as a Porsche Boxster and as stiff as a Porsche 911. This technical achievement allows Crossfire Coupe to demonstrate sedan-like ride comfort without sacrificing the handling characteristics that true sports cars require.

First available for 2005, the Chrysler Crossfire Roadster was developed in parallel with the Coupe from its inception, which enhanced the Roadster's structural rigidity. The Chrysler Crossfire Roadster's proven engineering ensures that drivers will enjoy a tight, solid and quiet ride with exceptional body torsional stiffness of 29.2 Hz. Chrysler Crossfire Roadster offers more torque (229 lb.-ft.) than Porsche Boxster (192 lb.-ft.) and BMW Z4 (214 lb.-ft.)."

- The Chrysler Crossfire lineup outsold all its European competitors in the U.S. luxury specialty segment in 2006.

- About 25 percent of Crossfire units sold in the United States, and as much as 75 percent in some markets outside the region, have come from buyers trading in import and luxury models.


Tested at 150 miles per hour, the Chrysler Crossfire Roadster is a one-of-a-kind sports car, as it combines the brand's signature design and convertible leadership with proven engineering.



- Designed and developed in parallel with the Coupe from its inception, the Crossfire Roadster captures the spirit of the Coupe's design DNA while enhancing structural rigidity and sharing common components.

Extensive wind tunnel time has ensured that Crossfire is aerodynamically balanced at all speeds. Particular attention was paid to the shapes of the front and rear fascias, the underbody trim panels attached to the rear floor, the diffuser on each side of the twin exhausts and the (extendable) spoiler mounted in the tailgate below the rear window.


Powered by an electric motor, the rear spoiler deploys automatically when car speed rises above 90 km/h. Deployment takes less than five seconds and the spoiler generates 356 Newtons of downforce to the rear of Crossfire at 129 km/h. The spoiler can be deployed manually at lower speeds using a switch on the centre console. Raised edges to the sides and trailing edge of the spoiler enhance its performance and it works in conjunction with the lower venturi created by the diffusers around the dual exhausts.



The door mirror housings were developed to reduce side-window soiling and minimum wind noise and drag.

Crossfire's all-steel shell boasts exceptionally torsional rigidity (20,140 Nm/deg) and has been specially reinforced to bear the loads and forces generated by the unusually large wheels and tyres. The fixed-roof coupe styling, sweeping rear pillars and tall bulkhead separating the passenger compartment from the luggage area, play key roles in the overall structural stiffness of the shell.

the 3.2-litre V-6 engine powering Chrysler Crossfire is manufactured at DaimlerChrysler's V-engine plant in Untertuerkheim, Germany.




This all-aluminum, SOHC, 18-valve engine weighs just 140 kg and produces 160 kW and 310 Nm of torque. Light, responsive, smooth-revving and ultra-reliable, the 90-degree power unit promises to deliver sparkling performance in the 1,388 kg Crossfire.



For effortless performance, the V-6 is designed to deliver high torque across a broad band of engine speeds. While maximum torque is generated at just 3,000 rpm, over 90 percent of maximum torque is available from 2,600-to-5,300 rpm, and 98 percent is available from 3,000-to-4,500 rpm.


The combination of engine power, balanced weight distribution, suspension design and generous tyre sizes enables Crossfire to deliver sensational performance on straight or winding roads. Acceleration from 0-to-100 km/h (62 mph) takes just 6.5 seconds. Crossfire has an aerodynamically-limited top speed of 242 km/h.

generous tyre width, 225 mm front and 255 mm rear, give the car four giant ‘footprints' or contact patches to generate immense grip and very high cornering forces - over 1.0 G lateral force on a dry surface.

A balance shaft mounted above the crankshaft in the cylinder block rotates at engine speed but in the opposite direction, to compensate for the rocking motion inherent in all 90-degree V-6 configuration engines.

Extensive use of lightweight materials results in an engine that is 30 kg lighter than similar-sized competitor's engines. Five elements of the design played a key role in the weight control programme - die-cast aluminum cylinder block, cylinder liners in spray-compacted Silitec (silicon alloy), magnesium intake manifold and cylinder head covers, thin-wall air-gap exhaust manifolds, and a lightweight valve train with hollow camshafts.


The space between the cylinder banks allows the use of dual-length air intake manifolds, with long tubes to enhance low-speed torque and short tubes which operate above 3,700 rpm, feeding air to the two intake valves as the engine computer imperceptibly switches between long and short tubes.

Although the manual gearbox Crossfire has a high fuel-stretching sixth gear ratio, the five-speed automatic transmission model, with lock-up converter and sophisticated electronic control of gear-change points, returns even greater fuel economy. With NEDC fuel economy figures of 10.1 l/100km (automatic) and 10.4 l/100km (manual), Crossfire achieves a comfortable 560 kilometre range from its 60-litre fuel tank.

five-speed automatic transmission, which features a driver-adaptive shift logic, full automatic or AutoStick™ shiftless manual gear selection, a lock-up torque converter.

The lock-up torque converter has a 1.8:1 starting torque ratio for brisk acceleration from standstill. Lock-up is available in third, fourth, and fifth gears only and is never complete, to eliminate driveline vibrations. With the selector lever in ‘Drive', AutoStick™ turns the transmission into a sequential-manual gearbox.

A rocker switch beside the selector lever enables the driver to select standard or winter modes. In winter mode, starts are made in second gear and the higher of the two reverse gears available.

In both fully automatic and AutoStick™ operations, electronic safeguards ensure that selection of a particular gear ratio cannot over-rev the engine.

Drive is carried to the rear axle by a two-piece propshaft with four constant-velocity universal joints (CVJs) to minimize vibrations. The final drive ratio is 3.27:1 and articulated half-shafts deliver power from the final drive unit to each rear wheel - again with CVJs to minimize vibrations.

Crossfire's fully independent front suspension uses double wishbones mounted on the bodyshell, with coil springs, gas-filled shock absorbers and a 25 mm anti-roll bar. The suspension design features anti-squat and anti-dive geometry. This set-up achieves minimum toe and camber changes under hard acceleration and braking, and delivers good straight-line stability even on bumpy roads. Total wheel travel is 155 mm.

A pressed-steel subframe serves as mounting for the rear suspension and final drive unit, and also isolates the body shell from road surface imperfections. The five-link suspension features coil springs, gas-filled shock absorbers and a 19 mm anti-roll bar. Anti-squat and anti-dive geometry is employed and rear wheel travel is a generous 160 mm.

The steering ratio is 16.7:1 and the system requires 3.1 turns of the steering wheel from lock-to-lock. A hydraulic damper eliminates undesirable yaw motions and enhances straight-ahead steering feel for Crossfire drivers on the motorway.

Customers wanting to use winter tyres or snow chains must use 225/40 tyres all around and will need to purchase two additional 18 inch diameter wheels for use on the rear axle of their Crossfire.

detachable storage pouch (400 x 220 mm) can be mounted on the rear bulkhead between the net pockets.

Internal rotating and oscillating masses were minimized, a counter-rotating balance shaft eliminates rocking.
 
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Old Oct 3, 2007 | 12:52 AM
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MMZ_TimeLord's Avatar
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Default Re: Additonal data highlights for the speedreader from articles I have

Some good information there... and good praise... Love it!

Cheers!
 
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Old Oct 3, 2007 | 04:31 AM
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Buck70's Avatar
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Default Re: Additonal data highlights for the speedreader from articles I have

Originally Posted by MMZ_TimeLord
Some good information there... and good praise... Love it!

Cheers!
Did you notice they said to use 18's on the back with 4 same size snows??

ABS won't freak??
18's fit over the rear discs??

Has anyone tried this combo yet ??
 
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Old Oct 3, 2007 | 05:50 AM
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RPM's Avatar
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Default Re: Additonal data highlights for the speedreader from articles I have

Originally Posted by Buck70
Did you notice they said to use 18's on the back with 4 same size snows??

ABS won't freak??
18's fit over the rear discs??

Has anyone tried this combo yet ??
It has been done. I believe most people who use a winter setup go w/18s. There was a winter setup for sale on here a while back. You could look at it and see what they had.
 
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Old Oct 3, 2007 | 08:24 AM
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imabenz's Avatar
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Default Re: Very detailed crossfire review with the big guys @ DC

FYI, the winter setup with 18s all around is actually stated in the 2006 owners manual that I have. (I do not have the page number handy at the moment).

This detail was of interest to me at the time because I was wondering if non-factory tire/wheel sizes would mess up the Traction Control and
stability control programs. Apparently not if the winter setup is recommended in the owners manual.
 
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Old Oct 3, 2007 | 10:31 AM
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ApocMan's Avatar
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From: Fort Worth, TX.
Default Re: Additonal data highlights for the speedreader from articles I have

Originally Posted by MMZ_TimeLord
Some good information there... and good praise... Love it!

Cheers!
Thanks! I will continue to gleen as much material, data, facts, how-to's and anything that may be of use to us. I will begin building a user friendly database and continually keep all the data up to date and hopefully tie it all together to make it the easiest it can be for someone to be able to understand and cross reference all material to make it a real-world effective tool for all Crossfire owners.

I have some contacts trying to provide me with as much information as possible on our cars, along with what I find on my own via any means available i.e. internet, books, interviews etc.

I hope the forum owner will consider creating a news & all model information section. This would allow everyone to find the information needed in one spot and have it all make sense.
 
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Old Nov 24, 2007 | 07:09 AM
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VQ35DE's Avatar
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Default Re: Additonal data highlights for the speedreader from articles I have

Originally Posted by ApocMan
Thanks! I will continue to gleen as much material, data, facts, how-to's and anything that may be of use to us. I will begin building a user friendly database and continually keep all the data up to date and hopefully tie it all together to make it the easiest it can be for someone to be able to understand and cross reference all material to make it a real-world effective tool for all Crossfire owners.

I have some contacts trying to provide me with as much information as possible on our cars, along with what I find on my own via any means available i.e. internet, books, interviews etc.

I hope the forum owner will consider creating a news & all model information section. This would allow everyone to find the information needed in one spot and have it all make sense.
Any hope of "creating a news & all model information section"? This member (ApocMan) could put all kinds of info on it.
 
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Old Nov 24, 2007 | 07:29 AM
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From: Central CT
Default Re: Very detailed crossfire review with the big guys @ DC

I have a set of four 18" Limited wheels with factory front tire size tires on all four corners of my SRT-6.

They easily clear the brakes both front and rear.

The traction control doesn't seem to care, but there is a weird side effect that appeared right after I took off my OEM staggered PS2's. The cruise control will no longer hold any speed above 42 mph or so.
 
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